LED
Trouble Shooting
| Step | Cause | Solution | Parts |
| １ | Scan sensor defective. | Replace the bridge board BBA92(AV332) or BBA76(AV332U). <Video> | Bridge board AV332 (004-3370-9-SP) AV332U (004-3250-9-SP) |
| ２ | Jam sensor defective. | Replace the sensor board SBA293(AV332) or SBA301(AV332U). <Video> | Sensor board AV332 (004-3371-9-SP) AV332U (004-3448-9-SP) |
| ３ | Main broad defective. | Replace the main board MBA942. <Video> | Main Board AV332 (004-3605-9-SP) AV332U (004-3605A-9-SP) |
